/* ========================================
   潮汕文化网站 - 浅绿色小清新风格
   ======================================== */

/* CSS Variables - 浅绿色主题 */
:root {
    --primary-green: #5a9a6e;
    --light-green: #8fbc8f;
    --pale-green: #e8f5e9;
    --soft-green: #c8e6c9;
    --mint-green: #f1f8e9;
    --dark-green: #2e5c3e;
    --text-dark: #2c3e2d;
    --text-medium: #4a5d4b;
    --text-light: #6b7c6c;
    --white: #ffffff;
    --cream: #faf9f6;
    --warm-white: #f5f5f0;
    --shadow: rgba(90, 154, 110, 0.1);
    --shadow-hover: rgba(90, 154, 110, 0.2);
    --transition: all 0.3s ease;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-dark);
    background-color: var(--cream);
    line-height: 1.8;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========================================
   导航栏
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-green), var(--light-green));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    font-family: 'Noto Serif SC', serif;
}

.logo-text {
    font-size: 20px;
    font-weight: 600;
    color: var(--dark-green);
    font-family: 'Noto Serif SC', serif;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-medium);
    font-weight: 500;
    font-size: 15px;
    padding: 8px 16px;
    border-radius: 20px;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-green);
    background: var(--pale-green);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 2px;
    background: var(--dark-green);
    transition: var(--transition);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--mint-green) 0%, var(--pale-green) 50%, var(--soft-green) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 70px;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(ellipse, rgba(139, 188, 143, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 60%;
    height: 100%;
    background: radial-gradient(ellipse, rgba(90, 154, 110, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    padding: 40px 20px;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 72px;
    font-weight: 700;
    color: var(--dark-green);
    margin-bottom: 20px;
    letter-spacing: 8px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.05);
}

.hero-subtitle {
    font-size: 24px;
    color: var(--primary-green);
    font-weight: 500;
    margin-bottom: 20px;
    letter-spacing: 4px;
}

.hero-description {
    font-size: 18px;
    color: var(--text-medium);
    line-height: 2;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.btn {
    padding: 14px 32px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: var(--transition);
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-green), var(--light-green));
    color: white;
    box-shadow: 0 4px 15px rgba(90, 154, 110, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(90, 154, 110, 0.4);
}

.btn-secondary {
    background: white;
    color: var(--primary-green);
    border: 2px solid var(--primary-green);
}

.btn-secondary:hover {
    background: var(--primary-green);
    color: white;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
    font-size: 14px;
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--primary-green);
    border-bottom: 2px solid var(--primary-green);
    transform: rotate(45deg);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ========================================
   Section通用样式
   ======================================== */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 20px;
    background: var(--pale-green);
    color: var(--primary-green);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 15px;
    letter-spacing: 2px;
}

.section-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 42px;
    color: var(--dark-green);
    margin-bottom: 15px;
    font-weight: 600;
}

.section-desc {
    font-size: 18px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.category-title {
    font-family: 'Noto Serif SC', serif;
    font-size: 28px;
    color: var(--dark-green);
    margin-bottom: 30px;
    padding-left: 20px;
    border-left: 4px solid var(--primary-green);
}

/* ========================================
   美食Section
   ======================================== */
.food-section {
    background: var(--white);
}

.food-category {
    margin-bottom: 80px;
}

.ingredients-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-bottom: 40px;
}

.ingredient-card {
    background: var(--warm-white);
    padding: 30px;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid transparent;
}

.ingredient-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow);
    border-color: var(--soft-green);
}

.ingredient-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.ingredient-card h4 {
    font-size: 18px;
    color: var(--dark-green);
    margin-bottom: 10px;
}

.ingredient-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

.dishes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.dish-card {
    background: var(--warm-white);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid transparent;
    display: flex;
    flex-direction: column;
}

.dish-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px var(--shadow);
}

.dish-image {
    height: 200px;
    overflow: hidden;
    flex-shrink: 0;
}

.dish-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.dish-card:hover .dish-image img {
    transform: scale(1.05);
}

.dish-content {
    padding: 25px;
}

.dish-card.featured .dish-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.dish-content h4 {
    font-family: 'Noto Serif SC', serif;
    font-size: 20px;
    color: var(--dark-green);
    margin-bottom: 12px;
}

.dish-desc {
    font-size: 14px;
    color: var(--text-medium);
    line-height: 1.7;
    margin-bottom: 15px;
}

.dish-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tag {
    padding: 4px 12px;
    background: var(--pale-green);
    color: var(--primary-green);
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

/* 工夫茶文化 */
.tea-culture {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    background: linear-gradient(135deg, var(--mint-green), var(--pale-green));
    padding: 50px;
    border-radius: 20px;
    margin-top: 60px;
}

.tea-content p {
    font-size: 16px;
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: 30px;
}

.tea-features {
    display: flex;
    gap: 30px;
}

.tea-feature {
    display: flex;
    align-items: center;
    gap: 10px;
}

.feature-num {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-green);
    opacity: 0.5;
}

.feature-text {
    font-size: 14px;
    color: var(--text-dark);
    font-weight: 500;
}

.tea-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.tea-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* ========================================
   民俗Section
   ======================================== */
.folk-section {
    background: linear-gradient(180deg, var(--cream) 0%, var(--white) 100%);
}

.folk-category {
    margin-bottom: 80px;
}

.festivals-timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.festival-item {
    background: var(--white);
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 5px 20px var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.festival-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-green), var(--light-green));
}

.festival-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px var(--shadow-hover);
}

.festival-marker {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-green), var(--light-green));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 20px;
    font-family: 'Noto Serif SC', serif;
}

.festival-content h4 {
    font-family: 'Noto Serif SC', serif;
    font-size: 20px;
    color: var(--dark-green);
    margin-bottom: 12px;
}

.festival-content p {
    font-size: 14px;
    color: var(--text-medium);
    line-height: 1.7;
}

.rituals-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.ritual-card {
    background: var(--white);
    padding: 35px;
    border-radius: 16px;
    box-shadow: 0 5px 20px var(--shadow);
    transition: var(--transition);
}

.ritual-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px var(--shadow-hover);
}

.ritual-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.ritual-card h4 {
    font-family: 'Noto Serif SC', serif;
    font-size: 22px;
    color: var(--dark-green);
    margin-bottom: 20px;
}

.ritual-card ul {
    list-style: none;
}

.ritual-card li {
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
    color: var(--text-medium);
    font-size: 15px;
    border-bottom: 1px dashed var(--soft-green);
}

.ritual-card li:last-child {
    border-bottom: none;
}

.ritual-card li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-weight: bold;
}

.arts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.art-card {
    background: var(--white);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 5px 20px var(--shadow);
    transition: var(--transition);
}

.art-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px var(--shadow-hover);
}

.art-image {
    height: 200px;
    overflow: hidden;
}

.art-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.art-card:hover .art-image img {
    transform: scale(1.05);
}

.art-content {
    padding: 25px;
}

.art-content h4 {
    font-family: 'Noto Serif SC', serif;
    font-size: 20px;
    color: var(--dark-green);
    margin-bottom: 12px;
}

.art-content p {
    font-size: 14px;
    color: var(--text-medium);
    line-height: 1.7;
    margin-bottom: 15px;
}

.art-tag {
    display: inline-block;
    padding: 4px 12px;
    background: var(--pale-green);
    color: var(--primary-green);
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

/* ========================================
   景观Section
   ======================================== */
.scenery-section {
    background: var(--white);
}

.scenery-showcase {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.scenery-main {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    background: var(--warm-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px var(--shadow);
}

.scenery-image {
    height: 100%;
    min-height: 400px;
    overflow: hidden;
}

.scenery-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.scenery-main:hover .scenery-image img {
    transform: scale(1.02);
}

.scenery-info {
    padding: 50px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.scenery-info h3 {
    font-family: 'Noto Serif SC', serif;
    font-size: 32px;
    color: var(--dark-green);
    margin-bottom: 20px;
}

.scenery-desc {
    font-size: 16px;
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: 25px;
}

.scenery-meta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.meta-item {
    padding: 8px 16px;
    background: var(--pale-green);
    color: var(--primary-green);
    border-radius: 20px;
    font-size: 14px;
}

.scenery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.scenery-card {
    background: var(--warm-white);
    padding: 25px;
    border-radius: 16px;
    transition: var(--transition);
    border: 1px solid transparent;
}

.scenery-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow);
    border-color: var(--soft-green);
}

.scenery-card-image {
    height: 150px;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--soft-green), var(--pale-green));
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-image {
    font-family: 'Noto Serif SC', serif;
    font-size: 18px;
    color: var(--primary-green);
    font-weight: 600;
}

.scenery-card h4 {
    font-family: 'Noto Serif SC', serif;
    font-size: 18px;
    color: var(--dark-green);
    margin-bottom: 10px;
}

.scenery-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: linear-gradient(135deg, var(--dark-green), #1a3d28);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    text-align: center;
    margin-bottom: 40px;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 15px;
}

.footer-brand .logo-icon {
    background: rgba(255, 255, 255, 0.2);
}

.footer-brand .logo-text {
    color: white;
}

.footer-desc {
    font-size: 16px;
    opacity: 0.8;
    margin-bottom: 25px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
}

.footer-links a {
    color: white;
    text-decoration: none;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--soft-green);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: 14px;
    opacity: 0.6;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-bottom a:hover {
    color: #fff;
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 1024px) {
    .ingredients-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .dishes-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .dish-card.featured {
        grid-column: span 2;
    }
    
    .festivals-timeline {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .scenery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
        padding: 20px 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .ingredients-grid,
    .dishes-grid,
    .festivals-timeline,
    .rituals-grid,
    .arts-grid,
    .scenery-grid {
        grid-template-columns: 1fr;
    }
    
    .dish-card.featured {
        grid-template-columns: 1fr;
    }
    
    .tea-culture {
        grid-template-columns: 1fr;
    }
    
    .scenery-main {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 36px;
        letter-spacing: 4px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .category-title {
        font-size: 22px;
    }
}